Evaluation of water productivity for maize under drip irrigation
Abstract
102 words
A drip system operating under deficit irrigation was used to
evaluate water productivity (WP) of TMV-1 maize variety in
Morogoro, Tanzania. A block was divided into four sub-blocks;
and each randomly assigned with deficit treatment (T1, T2, T3
and T4 as 60%, 40%, 20% and 0% irrigation water deficits,
respectively). Three replications were used producing
randomized block design. Each sub block biomass, grain yield
and harvest index were determined. Biomass development and
grain yield were significantly (0.1<P<0.05) influenced by water
deficit. Both increased with increasing irrigation water to full
irrigation. WP were different (P=0.1), with T2 having the highest
value (2.2 kg/m3).
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